*{
    margin: 0;
    padding: 0;
}
body{
    width: 100%;
}
/* 导航栏 */
header{
    width: 1200px;
    height: 80px;
    margin: 0 auto;
    background-color: white;
}
.logo{
    width: 160px;
    height: 60px; 
    margin: 10px 0 0 80px;
}
.nav{
    width: 740px;
    height: 80px;
    /* background-color: yellowgreen; */
    margin: -75px 0 0 340px;

}
.nav li{
    width: 70px;
    height: 80px;
    background-color: white;
    display: inline-block;
    list-style: none;
    text-align: center;
    line-height: 80px;
    margin-left: 40px;
}
.nav li a{
    text-decoration: none;
    color: #000;
}
.nav_active{
    border-bottom: 4px solid #01a1ff;
}
.nav .nav_active a{
    color: #01a1ff;
}
.nav li:hover{
    border-bottom: 4px solid #01a1ff;
}
.nav li:hover a{
    color: #01a1ff;
}
/* 轮播 */
.banner{
    width: 100%;
    height: 300px;
    /* background-color: yellowgreen; */
    overflow: hidden;
   position: relative; 
     /* top: 1px;*/
}
.banner_box{
    /* width: 100%; */
    height: 100%;
    text-align: center;
    /* position: absolute;
    top:0; */
}
.banner .banner_box .banner_img{
    height: 100%;
    display: none;
}
.banner .banner_box .banner_img.show{
    display: block;
}

.banner .banner_box .banner_img img{
    width: 100%;
    height: 100%;
}
/* 切图按钮 */
.img_btn{
    /* width: 50px;
    height: 50px; */
    position: absolute;
    top: 30%;
    left: 0;
    z-index: 2;
    display: none;
}
.img_btn img{
    width: 80px;
    height: 80px;   
}
.right_btn{
    left: 95%;
}
.banner:hover .img_btn{
    display: block;
}

.mid{
    width: 1000px;
    margin:30px auto;
    position: relative;
}
/* 左边导航 */
.mid_left{
    width: 200px;
    height: 335px;
    /* background-color: lavender; */
    position: absolute;
    top: 0;
    display: inline-block;
    border: #01a1ff 2px solid;
    
}
.top{
    width: 200px;
    height: 100px;
    text-align: center;
    background-color:  #01a1ff;
    color: #fff;
    line-height: 45px;
    margin-top: -1px;
}

.service_list{
    width: 200px;
    margin: 0 auto;
    text-align: center;
    background-color:  white;
    margin-top: 3px;
}
.service_list ul li{
    height: 30px;
    width: 180px;
    margin-top: 13px;
    margin-left: 10px;
    list-style: none;
    line-height: 30px;
    border-radius: 20px 20px;
    -webkit-border-radius: 20px 20px;
    -moz-border-radius: 20px 20px;
    -ms-border-radius: 20px 20px;
    -o-border-radius: 20px 20px;
}
.service_list ul li:first-child{
    background-color:  #01a1ff;
    color: white;
}
.service_list ul li:hover{
    background-color:  #01a1ff;
    color: white;
    cursor: pointer;
}


/* 搜索 */
.search{
    width: 200px;
    height: 150px;
    margin-top: 50px;
    border: 1px solid #01a1ff;
}
.search_box{
    width: 180px;
    height:30px;
    /* background-color: beige; */
    margin: 10px auto;
    position: relative;
    text-align: center;
    border: #cfcfcf solid 1px;
}
.search_box input{
    width: 120px;
    height:25px;
    margin-top: 2px;
    border: #fff solid 1px;
}
.search_box input:focus{
    outline: none;
    border: 1px solid #fff;
}
.search_box img{
    width: 20px;
    height: 20px;
    position: absolute;
    top: 5px;
}

/* 右边内容—产品展示  */
.mid_right_display,.mid_right_detail{
    width:750px;
    /* height: 700px; */
    margin-left: 240px;
    display: inline-block;
}
.position_top{
    width:750px;
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid #969696;
}
.position_top p{
    display: inline-block;
    color: gray;
    font-size: 14px;
}
.top_title{
    margin-left: 15px;
}
.top_title span{
    font-size: 22px;
    color: #000000;
}
.position_tip{
    float: right;
    margin-right: 15px;
    cursor: pointer;
}
.position_tip span{
    color: #01a1ff;
}

/* 页码 */
.page_box{
    height: 30px;
    margin-left: 25%;
    margin-top: 20px;
    /* background-color: black; */
}
.last_btn,.next_btn{
    width: 100px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    background-color: #e5e5e5;
    /* display: inline-block; */
}
.next_btn{
    margin-top: -30px;
    margin-left: 355px;
}

.page_box ul{
    width: 250px;
    /* background-color: honeydew; */
    margin-left: 110px;
    margin-top: -30px;
}
.page_box ul li{
    list-style: none;
    width: 30px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    margin-left: 5px;
    background-color: #e5e5e5;
    display: inline-block;
}
.page_box ul li:first-child{
    background-color: #01a1ff;
    color: #fff; 
}
.last_btn:hover,.next_btn:hover{
background-color: #01a1ff;
color: #fff;
cursor: pointer;
}



/* 底部 */
footer{
    width: 100%;
    height: 350px;
    margin:50px auto 0;
    background-color: #00a3fb;   
   }
   .footer_box{
       width: 1200px;
       height: 300px;
       margin: 0 auto;
       /* background-color: pink; */
       
   }
   .list{
       width: 150px;
       height: 250px;
       padding-top: 30px;
       text-align: center;
       line-height: 35px;
       float: left;
   }
   
   .list ul li{
       list-style: none;
   }
   .list ul li a{
       color: #fff;
       text-decoration: none;
   }
   .list ul li:first-child a{
       font-size: 20px;
       text-decoration: underline;
   }
   .input_box{
       width: 350px;
       height: 200px;
       margin-top: 40px;
       margin-left: 30px;
       display: inline-block;
       
   }
   .input_box input,textarea{
       border: 1px solid #fff;
       background-color: #00a3fb;
       color: #fff;
   }
   .name,.phone{
      width: 150px;
      height: 30px;
      font-size: 14px;
   }
   .phone{
       margin-left: 15px;
   }
   textarea{
       width: 320px;
       height: 120px;
       margin-top: 10px;
       font-size: 15px;
   }
   input[type="button"]{
       width: 150px;
       height: 35px;
       line-height: 30px;
       margin-top: 10px;
       font-size: 16px;
   }
   .input_box input:focus,.input_box textarea:focus{
       outline: none;
       border: 1px solid #fff; 
   }
   hr{
       background-color:#fff;
        height:1px;
         border:none;
   }
   .footer_text{
       width: 800px;
       height: 50px;
       line-height: 50px;
       margin: 0 auto;
       color: #fff;
   }